docs: def set(self, key, value):
          '''A short cut to set value to key without triggering any logging
          or warning message.'''
          if hasattr(value, 'labels'):
              if 'VARIABLE' in env.config['SOS_DEBUG'] or 'ALL' in env.config[
                      'SOS_DEBUG']:
                  env.log_to_file(
                      'VARIABLE',
                      f"Set {key} to {short_repr(value)} with labels {short_repr(value.labels)}"
                  )
          else:
              if 'VARIABLE' in env.config['SOS_DEBUG'] or 'ALL' in env.config[
                      'SOS_DEBUG']:
                  env.log_to_file(
                      'VARIABLE',
                      f"Set {key} to {short_repr(value)} of type {value.__class__.__name__}"
                  )
          self._dict[key] = value